Material The pH meter is made of high quality plastic shell, durable and sturdy. And it has a large screen that displays the pH and chlorine level test result for easy and accurate reading Description The pH value is one of the most important factors in the balance week. The pH value is the measure of the acidity / alkalinity of the pool water. Chlorine, which kills bacteria, algae and microorganisms. It cannot be used in salt water Note Too little chlorine leads to the growth of algae and bacteria, waterborne diseases, cloudy water and poor water hygiene. Too much chlorine can cause irritation to the eyes, nose and skin. Also remember that chlorine in the pool is carcinogenic and we should strive to keep its level at the minimum necessary for complete disinfection Wide ApplicationThe pool pH test is widely used for measuring drinking water, aquariums, swimming pools, tap water, hydroponics, spas, laboratories and scientific testing Applicable ObjectsThe pool water tester is specially designed for family-sized swimming pools or spas. The pH tester is the ideal small tool for pH testing applications at home and in the laboratory Product size: 19 cm x 12 cm x 5 cm Product color: white Delivery quantity: One piece